The design in accordance with《Surface Water Environmental Quality Standard》,《Integrated Wastewater Discharge Standard》,《citysewage treatment plant sludge discharge standards》,《outdoor drainage design specifications》,《outdoor water supply design specifications》,《city sewage treatment project construction Standards》of structures, elevation, the factory area, etc., to find the right approach to computing, rational design, so as to achieve all the requirements of sewage design.
Keywords: city sewage,A2/O process, process, national water standards